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We have a container of a hot ideal monatomic gas. The volume of the container is 25 liters. determine the change of internal energy of the gas
If 2.5 mL of seawater contains about .0000000000058 moles of gold (Au), how many atoms of gold are in that volume of seawater
What is the maximum yield of benzocaine, in grams, if the molar mass of benzocaine is 165.19 g/mol the molar mass of p-toluidine is 107.16 g/mol and 5.33 grams of p-toluidine is used
A long solenoid that has 1,105 turns uniformly distributed over a length of 0.452 m produces a magnetic field of magnitude 1.00 10-4 T at its center
Calculate the number of Cys residues in the peptide assuming that the total solution volume has not changed after addition of Ellman's reagent and that the stoichiometry of the reaction is 1:1 (i.e.
A rifle is aimed horizontally at a target 60 away. The bullet hits the target 2.5 below the aim point. What was the bullet's flight time
A current of 12.0 mA is maintained in a single circular loop with a circumference of 3.70 m. find the magnitude of the torque exerted by the magnetic field on the loop
How many spots should you see on a TLC plate for your recrystallized benzoic acid (assuming your recrystallization worked)
The famous Hope Diamond at the Smithsonian National Museum of Natural History wieghs 45.52 carats. Diamond is a crystalline form of carbon.
The acceleration due to gravity at the surface of a planet is 18 m/s2. find the speed of the satellite to maintain this stable orbit
What volume of a 0.215 M sodium hydroxide solution is needed to exactly neutralize 1.06 grams of KHP
A car is moving with constant velocity v, and has wheels of radius R. At what angle does the piece of mud drop off the wheel
You throw a ball toward a wall at speed 20 m/s and at angle theta=60 degrees above the horizontal. What is the angle when it hits the wall
Consider a solution that contains 72.0% R isomer and 28.0% S isomer. If the observed specific rotation of the mixture is -41.0°, what is the specific rotation of the pure R isomer
The left arm of the tube has a cross-sectional area of A1=10 cm2, and the right arm has a cross-sectional area of A2=5 cm2. find the length of the water column in the right arm of the U-tube
A tank contains 20 percent liquid water and 80 percent steam by volume at 200 degrees celsius. Steam is withdrawn from the top of the tank until the fluid remaining in the tank is at temperature of
Two identical pith balls are hung by insulating strings, touching each other, as in the picture below. The mass of each ball is 0.002kg. Determine the charge on each ball
Peaks that appear to the right of 3000 cm-1 in an IR spectrum are characteristic for which stretching vibration
If you were extracting 4-chloroaniline and naphthalene (a mixture in ether), what reagents could you use to obtain a separation via extraction technique
When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 14.0 m/s, at an angle of 30.0° above the horizontal. What is the range of his leap
A capacitor with its plates separated by paper stores 5.0 of charge when it is connected to a particular battery. How much charge does that capacitor store
An oil-filled capacitor has square parallel plates 26{\rm cm} on a side, separated by 0.47{\rm mm}. Find the dielectric constant of the oil
light of wavelength lambda nought in a vacuum has a wavelength of 435nm in water and 390 in benzene. what is the index of refraction of water relative to benzene
In a lightning bolt, a large amount of charge flows during a time of 2.6 x 10-3 s. How much charged has flowed during the lightning bolt
A bicycle wheel of radius 0.4 m is spinning at a rate of 65 revolutions per minute. find the centripetal acceleration of a point on the edge of the wheel